You wrote:

>> The Gang of Four book exists because Java made functions second-class citizens

That is a false claim. You asserted a causal relationship between Java and the content of the GoF book that does not exist without time travel.

> You probably just have not experienced the "true" nature of Lisp, where you can interactively change any behavior of the running program, directly from your editor, without linking, linting, compiling, restarting or even saving the code you type.

Sure buddy. You know so much about me...